/* 全国DNS服务器IP地址大全 页面样式 */
.dns-search-bar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 20px 0;
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.dns-search-bar .search-input-group {
  display: flex;
  gap: 10px;
  align-items: center;
}
.filter-group {
  display: flex;
  align-items: center;
  gap: 12px;
}
.filter-label { color: var(--text-secondary); }
.filter-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 16px;
  background: rgba(66,133,244,0.08);
  color: var(--primary-color);
  cursor: pointer;
  user-select: none;
  transition: all .2s ease;
}
.filter-tag:hover { transform: translateY(-1px); }
.filter-tag.active { background: var(--primary-color); color: #fff; }

.dns-table-wrapper {
  background: #fff;
  border-radius: 12px;
  padding: 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  overflow-x: auto;
}
.dns-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}
.dns-table thead th {
  background: #f7f9fc;
  color: #444;
  font-weight: 600;
  padding: 12px;
  border-bottom: 1px solid #eee;
  text-align: left;
}
.dns-table tbody td {
  padding: 12px;
  border-bottom: 1px solid #f0f0f0;
  color: #333;
  vertical-align: middle;
}
.dns-table tbody tr:hover {
  background: #fafcff;
}
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid rgba(0,0,0,0.08);
  background: #fff;
  cursor: pointer;
  transition: all .2s ease;
  margin-right: 6px;
}
.copy-btn:hover { background: #f7f9fc; }
.copy-btn .mini {
  font-size: 12px;
  color: var(--text-secondary);
}

.dns-empty {
  text-align: center;
  padding: 20px;
  color: var(--text-secondary);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
  gap: 16px;
  margin-top: 20px;
}
.info-card {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  border-radius: 12px;
  padding: 16px;
  color: #333;
  box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}
.info-card h3 { margin: 0 0 10px; }
.info-card ul { margin: 0; padding-left: 18px; }
.info-card li { margin: 6px 0; }

@media (max-width: 768px) {
  .dns-search-bar .search-input-group { flex-direction: column; align-items: stretch; }
}